Outgassing Effect on Spacecraft Structure Materials
[1]
Ahmad Anwar, National Authority for Remote Sensing and Space Science, Cairo, Egypt.
[2]
Dalia Elfiky, National Authority for Remote Sensing and Space Science, Cairo, Egypt.
[3]
Gamal Hassan, National Institute for Standards, Cairo, Egypt.
[4]
Marta Albona, Astronautics Electric and Energetic Engineering Department, Sapienza University of Rome, Rome, Italy.
[5]
Mario Marchetti, Astronautics Electric and Energetic Engineering Department, Sapienza University of Rome, Rome, Italy.
In the vacuum deep space, outgassing has contributed to degrade mechanical performance of composite materials used in satellite. In this paper, four composite materials are used. Three types of epoxy based composite materials are tested: Carbon fiber, glass fiber and kevlar, which are used in satellite structure. The tested materials are manufactured by commercial method (hand lay-up method without autoclave curing). The forth material is polyimide which is a commercial sheet used in thermal multilayer insulator. The aim of this paper is to qualify those commercial manufacture materials to be used as Low Earth Orbit satellite structure. This study proves two important results; the use of hand lay-up Kevlar/epoxy in the satellite manufacture is rejected. While, the commercial Polyimide (Artilon®) is confirmed as a new material used in space as a layer in the multilayer insulation at the lower temperature side.
Vacuum, Outgassing, Polymers, Glass Fiber, Carbon Fiber, Kevlar, Polyimide Composite Materials
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